Map Tile Caching for Offline Viewing

Question

I\'m trying to build an application that will use open source maps from Open Street Maps (though the concept should be applicable to any map provider). The application will

Answer 1

I've seen this done with a custom layer placed over the map. Tiles are then loaded from anywhere you like (IsolatedStorage, online, somehwere else?) into the custom layer.

Sorry, I don't have any code I can share which demonstrates this at the moment but am currently doing something very similar.